A Tiger Rules the MountainCambodia's Hun Sen is the world's longest serving prime minister, in power since 1985. In 2013, Sen's rule came under threat when the exiled opposition leader, Sam Rainsy, unexpectedly returned just before a national election. One hundred thousand supporters hailed him at the airport as protests swept the country. On election day, millions voted for change. This narrative non fiction account tells the dramatic story of that election and the subsequent